Home / 392,885,999.10-589,328,998.65-162,778,607.10

Finding the Fourth Proportional to 392,885,999.10, 589,328,998.65 and 162,778,607.10

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Solution

The fourth proportional to 392,885,999.10, 589,328,998.65 and 162,778,607.10 is: 244,167,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,885,999.10 : 589,328,998.65 = 162,778,607.10 : x
  2. Step 2: Convert to fraction form
    392,885,999.10/589,328,998.65 = 162,778,607.10/x
  3. Step 3: Cross multiply
    392,885,999.10x = 589,328,998.65 × 162,778,607.10
  4. Step 4: Simplify right side
    392,885,999.10x = 95,930,153,523,884,768
  5. Step 5: Solve for x
    x = 95,930,153,523,884,768/392,885,999.10
  6. Step 6: Final answer
    x = 244,167,910.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.